MySQL SRCDS Error 126

If you are attempting to test this addon out on a locally installed Windows SRCDS server, some customers have reported an error displaying:

MySQLOO Library Install

To correct this error, ensure you have MySQLOO properly installed. You can download the latest MySQLOO .DLL files from:

Releases · FredyH/MySQLOOGitHub

Download the correct DLL based on which operating system you are running SRCDS on.

File	Description
gmsv_mysqloo_linux.dll	Linux 32-bit operating system
gmsv_mysqloo_linux64.dll	Linux 64-bit operating system
gmsv_mysqloo_win32.dll	Windows 32-bit operating system
gmsv_mysqloo_win64.dll	Windows 64-bit operating system

After downloaded the .DLL file, place it in the bin folder located in. If you do not have a bin folder, create it.

garrysmod/lua/bin/

Visual C++ 2008 Redistribution Package

The other reason for this error occurring, is because you are missing the Microsoft Visual C++ 2008 Redistribution Package.

Visit the link below and install the 2008 Redistributable Package, and then reboot your SRCDS server.

MTC Security Update

Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package MFC Security UpdateMicrosoft Download Center

ATL Security Update

Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package ATL Security UpdateMicrosoft Download Center

You can also get a full list of all redistributables below: